Article
Energy & Fuels
Mohamed Shamlooh, Reem Elaf, Ibnelwaleed A. Hussein, Mohammed Saad, Baojun Bai
Summary: The rheology of a gel system composed of polyacrylamide (PAM) and chitosan under typical reservoir conditions was investigated. The effects of chitosan deacetylation, temperature, and salinity on gelation behavior were studied. The results showed that the chitosan/PAM system exhibited good rheological behavior and could be a potential green plugging agent in high-temperature oil and gas wells.
Article
Chemistry, Applied
Andreii S. Kritchenkov, Anton R. Egorov, Rimma A. Abramovich, Aleh Kurliuk, Tatsiana Shakola, Ekaterina K. Kultyshkina, Moises J. Ballesteros Meza, Anastasia Pavlova, Elena P. Suchkova, Giang Le Nhat Thuy, Nguyen Van Tuyen, Victor N. Khrustalev
Summary: In this study, novel water-soluble triazole chitin derivatives were synthesized with high antibacterial activity, non-toxicity, and efficient catalytic properties. They can be easily reused in water as green catalysts.
CARBOHYDRATE POLYMERS
(2021)
Article
Chemistry, Multidisciplinary
Kazuho Daicho, Kayoko Kobayashi, Shuji Fujisawa, Tsuguyuki Saito
Summary: By enhancing inter-crystallite interactions, grain boundaries within a crystalline nanofiber aggregate were crystallized, allowing for the fusion of multiple crystallites into single fusion crystals, thus improving thermal energy transfer efficiency.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Applied
Shabbah Begum, Nor Yuliana Yuhana, Noorashikin Md Saleh, Nur Hidayatul Nazirah Kamarudin, Abu Bakar Sulong
Summary: The focus of the research is on the application of chitosan and its derivatives in removing heavy metals from water bodies, exploring different modification strategies and specific application methods.
CARBOHYDRATE POLYMERS
(2021)
Article
Agronomy
Xiangyu Liu, Shasha Wang, Yuanyi Yu, Yisha Cheng, Chaoxing Hu, Min Zhou, Can Li, Bin Tang, Yan Wu
Summary: In this study, the expression of the CHSB gene in S. frugiperda larvae was inhibited by RNA interference, and its function in the metabolism of trehalose and chitin was explored. The results showed that SfCHSB plays an important role in chitin metabolism in S. frugiperda.
Review
Green & Sustainable Science & Technology
Mitchell Jones, Antoni Gandia, Sabu John, Alexander Bismarck
Summary: Fungi-derived leather substitutes are emerging as an ethically and environmentally responsible alternative to traditional leather, produced through a natural fungal growth process using low-cost agricultural and forestry by-products, offering similar visual and material properties.
NATURE SUSTAINABILITY
(2021)
Article
Chemistry, Physical
Raluca M. Visan, Anca R. Leonties, Ludmila Aricov, Viorel Chihaia, Daniel G. Angelescu
Summary: Chitosan can form insoluble hydrogels in the presence of polyphosphates, with potential for drug encapsulation and efficient release. Synthesis and characterization of chitosan hydrogels using phytate as a crosslinking agent were conducted, along with molecular dynamics simulations to investigate the physical crosslinking pattern of the chitosan-phytate complex. The study addressed the impact of phytate concentration and chitosan functional groups on the reticulation process, highlighting the potential for developing chitosan-based hydrogels with improved structural attributes.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2021)
Article
Parasitology
Ruiling Zhang, Wenjuan Liu, Jingwen Fu, Zhong Zhang
Summary: This study found that microRNA miR-989 plays an important role in chitin metabolism in Ae. albopictus pupae. Overexpression of miR-989 resulted in reduced survival rate and eclosion rate of pupae, as well as increased malformation rate of adults. miR-989 acts as a regulator of chitin metabolism by affecting the transcript levels of AaCHS1 and AaCht10 genes. The altered expression levels of chitin metabolism-related enzymes cause structural changes in the cuticles and disrupt the pupal-adult transition process of Ae. albopictus.
PARASITES & VECTORS
(2023)
Article
Chemistry, Multidisciplinary
Yaoming Wang, Zhengjin Yang, Liang Wu, Liang Ge, Tongwen Xu
Summary: Ion exchange membranes play a crucial role in chemical manufacturing and new applications, improving industrial efficiency and meeting environmental needs. Academician Binglin He has been the most influential figure guiding students into the field of ion exchange membranes. The most promising area for future development is alkaline stable anion-exchange membranes. Scientists driving the development of domestic ion exchange membranes have successfully transferred patented technologies for industrial use.
CHINESE JOURNAL OF CHEMISTRY
(2021)
Article
Biochemistry & Molecular Biology
Cuiying Tan, Yunqing He, Binghong Luo, Mingxian Liu
Summary: In this study, Pickering emulsion stabilized with chitin nanocrystals (ChNCs) was used to prepare paraffin wax (PW) microcapsules with a dense shell, and loaded into metal foam to enhance thermal conductivity. The PW microcapsules showed good thermal cycling stability and satisfactory latent heat storage capacity. The encapsulation of the polymer shell provided high encapsulation efficiency, non-leakage properties under prolonged high temperature conditions, and high flame retardancy. This study demonstrates a new design strategy using natural and sustainable nanomaterials stabilized PCMs, which has promising applications in energy management and thermal regulation.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Chemistry, Applied
Chinmay C. Satam, J. Carson Meredith
Summary: The study shows that deacetylation can enhance the performance of chitin nanofiber suspension and films, while reducing the energy utilization in the high pressure homogenization process. Oxygen permeability is not affected, and deacetylation can also lower the intensity requirements during extraction.
CARBOHYDRATE POLYMERS
(2021)
Article
Engineering, Chemical
Salman Memon, Baek-Gyu Im, Ho-Saeng Lee, Young-Deuk Kim
Summary: This paper presents experimental and theoretical studies on material-gap membrane distillation (MGMD) and water-gap membrane distillation (WGMD) to investigate the impact of different materials on permeation flux. The results show that the graphite-filled MGMD has a higher permeation flux than WGMD, while MGMD filled with silica gel and zeolite has a lower permeation flux. The permeation flux of MGMD is also influenced by the material packing density and thermal conductivity. Additionally, the MGMD permeation flux and overall thermal resistance are primarily controlled by the thermal conductivity of the material gap.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Engineering, Chemical
Youjing Zhao, Xu Xiang, Min Wang, Huaiyou Wang, Yan Li, Jinli Li, Hongjun Yang
Summary: The study investigated the impact of coexisting ions on the production of LiOH through bipolar membrane electrodialysis, finding that competition between Na+ and K+ slows down Li+ migration, with K+ having a greater impact than Na+; SO42- causes more severe lithium leakage than Cl-. Additionally, factors such as Na/Li molar ratio, current density, and CEM characteristics influence the competition between Na+ and Li+.
Article
Biochemistry & Molecular Biology
Ana Maria Sixto-Berrocal, Marlenne Vazquez-Aldana, Susana Patricia Miranda-Castro, M. Aurora Martinez-Trujillo, Martin R. Cruz-Diaz
Summary: In this study, two lactic bacteria were used to sequentially co-culture and demineralize and deproteinize shrimp shells in order to obtain chitin. The highest demineralization (98.63%) and deproteinization (88%) were achieved by adding a glucose pulse during demineralization and controlling the pH value above 6.0 during deproteinization. Furthermore, deacetylation of the resulting chitin was catalyzed by a deacetylases cocktail produced by Aspergillus niger. The chitosan samples obtained had a deacetylation degree higher than 78% and a solubility of 25% in 1.0 N acetic acid.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Engineering, Environmental
S. P. Munasinghe-Arachchige, I. S. A. Abeysiriwardana-Arachchige, H. M. K. Delanka-Pedige, P. Cooke, N. Nirmalakhandan
Summary: The study introduces a non-pressurized gas permeable membrane reactor for recovering nitrogen fertilizers from sewage. Tests demonstrate that this reactor can efficiently recover nitrogen fertilizer from wastewater under certain conditions.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Chemical
A. Hanafia, C. Faur, A. Deratani, P. Guenoun, H. Garate, D. Quemener, C. Pochat-Bohatier, D. Bouyer
JOURNAL OF MEMBRANE SCIENCE
(2017)
Article
Engineering, Chemical
Q. Ricoux, J. P. Mericq, D. Bouyer, V. Bocokic, L. C. Hernandez-Juarez, S. van Zutphen, C. Faur
SEPARATION AND PURIFICATION TECHNOLOGY
(2017)
Article
Engineering, Chemical
Oussama Kamal, Celine Pochat-Bohatier, Jose Sanchez-Marcano
SEPARATION AND PURIFICATION TECHNOLOGY
(2017)
Article
Chemistry, Multidisciplinary
Mualla Oner, Gulnur Kizil, Gulsah Keskin, Celine Pochat-Bohatier, Mikhael Bechelany
Article
Biochemistry & Molecular Biology
Molka Nafti Mateur, Danae Gonzalez Ortiz, Dorra Jellouli Ennigrou, Karima Horchani-Naifer, Mikhael Bechelany, Philippe Miele, Celine Pochat-Bohatier
Article
Electrochemistry
Ahmed Jarboui, Yaovi Holade, Jean-Pierre Mericq, Christophe Charmette, Thierry Thami, Peter Biermans, Sophie Tingry, Denis Bouyer
Article
Biochemistry & Molecular Biology
Mohammad Kazem Medlej, Cherri Batoul, Hamza Olleik, Suming Li, Akram Hijazi, Ghassan Nasser, Marc Maresca, Celine Pochat-Bohatier
Summary: The study aimed to investigate the properties of biopolymers extracted from a non-edible Lebanese onion plant under different extraction conditions. Results showed that extracts obtained with 50% ultrasound treatment exhibited the best antioxidant activity, while certain extracts were found to be non-toxic to human cells.
Article
Biochemistry & Molecular Biology
Amos Adeniyi, Danae Gonzalez-Ortiz, Celine Pochat-Bohatier, Sandrine Mbakop, Maurice Stephen Onyango
Summary: In this study, cellulose nanocrystals (CNC) derived from sawdust were successfully incorporated into a nanofiltration membrane. The modified membrane exhibited a more nodular structure, higher roughness, increased negative surface charge, and higher hydrophilicity, resulting in a nitrate rejection rate of 94%. This research suggests that using an NF membrane modified with sawdust-derived cellulose nanocrystals can improve nitrate removal from drinking water.
Article
Biochemistry & Molecular Biology
Danae Gonzalez Ortiz, Morgan Nouxet, William Marechal, Olivier Lorain, Andre Deratani, Celine Pochat-Bohatier
Summary: Polysulfone membranes with poly(vinyl pyrrolidone) as a pore-forming and hydrophilic additive were prepared using the non-solvent-induced phase separation technique. The immobilization of PVP through radical-initiated crosslinking was studied to enhance the surface hydrophilicity of the membranes. The crosslinking progress was influenced by temperature, KPS concentration, and reaction time. The degree of PVP crosslinking affected the structure and properties of the membranes.
Article
Polymer Science
Amos Adeniyi, Danae Gonzalez-Ortiz, Celine Pochat-Bohatier, Sandrine Mbakop, Maurice S. Onyango
Summary: Cellulose nanocrystals (CNC) obtained from waste sawdust were used to modify the polyamide membrane, resulting in improved mechanical strength and stability. The modification of the membrane was confirmed by changes in zeta potential and X-ray photoelectron spectroscopy (XPS). The presence of CNC reduced the degree of crosslinking and enhanced the membrane's robustness in acidic and alkaline solutions, as indicated by increased Young's modulus, maximum load, and tensile strength.
Article
Polymer Science
Amos Adeniyi, Gerald Oke Odo, Danae Gonzalez-Ortiz, Celine Pochat-Bohatier, Sandrine Mbakop, Maurice Stephen Onyango
Summary: This study demonstrated the potential of cellulose nanocrystals (CNC) as a substitute for polyethylene glycol (PEG) in ultrafiltration membrane fabrication. Two sets of modified membranes were prepared using different additives and characterized for their performance in treating synthetic and real restaurant wastewater. The membranes prepared with CNC showed improved hydrophilicity, morphology, pore structure, and roughness compared to the membranes prepared with PEG. Additionally, the CNC membrane exhibited higher turbidity and COD removal when treating raw restaurant water.
Article
Biochemistry & Molecular Biology
Jeanne Casetta, Celine Pochat-Bohatier, David Cornu, Mikhael Bechelany, Philippe Miele
Summary: By modifying the surface of polysulfone hollow fiber membranes using atomic layer deposition (ALD), coatings of titanium dioxide (TiO2), zinc oxide (ZnO), and alumina (Al2O3) can be applied to enhance the membrane's permeability and fouling resistance.
Article
Biochemistry & Molecular Biology
Hajeeth Thankappan, Gauthier Bousquet, Mona Semsarilar, Antoine Venault, Yung Chang, Denis Bouyer, Damien Quemener
Article
Nanoscience & Nanotechnology
Sakthivel Nagarajan, Habib Belaid, Celine Pochat-Bohatier, Catherine Teyssier, Igor Iatsunskyi, Emerson Coy, Sebastien Balme, David Cornu, Philippe Miele, Narayana S. Kalkura, Vincent Cavailles, Mikhael Bechelany
ACS APPLIED MATERIALS & INTERFACES
(2017)
Article
Engineering, Chemical
Denis Bouyer, Oualid M'Barki, Celine Pochat-Bohatier, Catherine Faur, Eddy Petit, Patrick Guenoun
Article
Engineering, Chemical
Arvin Sohrabi, Mousa Meratizaman, Shuli Liu
Summary: This paper simulates and discusses possible solutions to improve the economic and technical performances of a battery-less renewable energy-powered BWRO system under real climate conditions. The study finds that the photovoltaic-based system performs better in terms of specific energy consumption and unused energy ratio.
Article
Engineering, Chemical
Chunlan Pan, Xiaoyin Hu, Vishal Goyal, Theyab R. Alsenani, Salem Alkhalaf, Tamim Alkhalifah, Fahad Alturise, Hamad Almujibah, H. Elhosiny Ali
Summary: This paper introduces a novel waste heat recovery method using the hot flue gas from a ship's engine to produce liquefied hydrogen while meeting the ship's air-conditioning requirement. A comprehensive feasibility assessment is conducted and an artificial neural network with a multiobjective grey wolf optimization method is used for optimization. The findings indicate the highest mean sensitivity index of the flash temperature and the best optimization scenario for exergy efficiency, CO2 emission reduction, and liquefied hydrogen cost.
Article
Engineering, Chemical
Daniele Chinello, Jan Post, Louis C. P. M. de Smet
Summary: In this study, PVDF-based anion-exchange membranes were designed to selectively separate nitrate from chloride. Experimental data showed that increasing the concentration of PVDF enhanced nitrate transport but also increased the membrane electrical resistance. The selectivity of nitrate was found to be independent of the membrane thickness and mainly driven by the increased affinity between the anion and the membrane.
Article
Engineering, Chemical
Umar Noor, Muhammad Fayyaz Farid, Ammara Sharif, Amna Saleem, Zubair Nabi, Muhammad Furqan Mughal, Kiran Abbas, Toheed Ahmed
Summary: Global water scarcity is increasing, and water desalination is an important solution. Multifunctional advanced materials, such as membrane materials and solar-driven desalination, play a crucial role in water desalination. Additionally, these materials can be used for water purification, wastewater treatment, and pollutant elimination.
Article
Engineering, Chemical
Emrah Gumus
Summary: With growing global concerns about climate change and environmental impacts, the use of nuclear energy in naval vessels offers a cleaner and more efficient solution to reduce emissions and address water and energy supply challenges. This study explores a novel system that combines a nuclear-driven supercritical carbon dioxide power cycle with reverse osmosis cogeneration to meet the water and electricity demands in maritime operations, enhancing the sustainability, efficiency, and self-sufficiency of naval vessels. The results indicate that the system has the potential to be a viable and effective solution for naval operations.
Article
Engineering, Chemical
Dao Thi Thanh Huyen, Saikat Sinha Ray, Young -Nam Kwon
Summary: This study focuses on the modification of a commercially available polyamide thin-film composite membrane with a zwitterionic material to enhance its fouling resistance. The modified membrane shows improved salt rejection and reduced permeability compared to the pristine membrane. Fouling tests demonstrate that the modified membrane has a lower fouling ratio and higher recovery ratio. The enhanced antifouling characteristics are attributed to the improved hydrophilicity resulting from the zwitterionic brushes and the salting-in effect.
Article
Engineering, Chemical
Niklas Koeller, Lukas Mankertz, Selina Finger, Christian J. Linnartz, Matthias Wessling
Summary: This study presents a methodology to scale up Flow-electrode Capacitive Deionization (FCDI) technology from lab-scale to pilot-scale systems. By increasing membrane area and using a stacking approach, the FCDI modules were successfully scaled up and achieved a salt transfer rate comparable to lab-scale systems. This provides a foundation for future assessments of energy demand and economics.
Article
Engineering, Chemical
Mona Gulied, Sifani Zavahir, Tasneem Elmakki, Hyunwoong Park, Guillermo Hijos Gago, Ho Kyong Shon, Dong Suk Han
Summary: This study introduces a novel hybrid system that combines direct contact membrane distillation (DCMD) and electrically switched ion exchange (ESIX) to facilitate seawater reverse osmosis (SWRO) brine enrichment and selective lithium recovery.
Article
Engineering, Chemical
Zhiqiang Zhang, Ruifeng Deng, Jiao Zhang, Lu She, Guangfeng Wei, Renyong Jia, Pengyu Xiang, Siqing Xia
Summary: A transmembrane electro-chemisorption system with authigenic acid and base was developed for enhancing ammonia recovery from strong ammonia wastewater. The system efficiently transformed ammonium into free ammonia, which was then adsorbed and recovered through transmembrane chemisorption. This system yielded pure (NH4)2SO4 product and produced valuable byproducts of pure hydrogen and oxygen. Higher applied voltage resulted in better ammonia recovery.
Article
Engineering, Chemical
Alena Popova, Sandrine Boivin, Takuji Shintani, Takahiro Fujioka
Summary: This study aimed to produce a high-integrity RO membrane by forming a polyamide skin layer on a TE support layer, in order to enhance the integrity of the membrane and improve the microbiological safety of potable water reuse.
Article
Engineering, Chemical
Sanjana Yagnambhatt, Saber Khanmohammadi, Jonathan Maisonneuve
Summary: This study investigates the concept of using heat to enhance reverse osmosis (RO) desalination. The effect of temperature on water permeate flux, specific energy, permeate quality, and applied operating pressures is evaluated using an analytical model. The results suggest that under specific conditions, the tradeoff between savings in mechanical pump work and thermal energy input in thermally-enhanced RO can be favorable, leading to overall energy savings.
Article
Engineering, Chemical
Jiangju Si, Chenrui Xue, Shun Li, Linchao Yang, Weiwei Li, Jie Yang, Jihong Lan, Ningbo Sun
Summary: To meet the huge demand for lithium resources, there is an urgent need to develop a new efficient technology for lithium recovery from salt-lake brines. In this study, a selective membrane capacitive deionization system is reported, which achieves high lithium recovery capacity and rate through the use of materials with efficient intercalated pseudo-capacitance and a high specific area porous carbon. The use of a modified thin-coated membrane allows for selective Li+ recovery, and adjusting the concentrations of Li+ and Mg2+ in the feed solution enables higher Li+/Mg2+ selectivity.
Article
Engineering, Chemical
Mohamed R. Salem, R. Y. Sakr, Ghazy M. R. Assassa, Omar A. Aly
Summary: This research proposes a new method of using wasted thermal energies as an additional heating source for solar still distillation units (SSDUs) to increase productivity and reduce pollution and global warming. By testing two SSDUs, the study shows that heating airflow can raise temperatures, enhance freshwater production, and improve system thermal efficiency.
Article
Engineering, Chemical
Qimeng Sun, Miao Sun, Linyan Yang, Yuan Gao, Xinghai Zhou, Lihua Lyu, Chunyan Wei
Summary: This study presents an innovative design and fabrication of a fabric-based conical roll (FCR) evaporator, which enables low-temperature evaporation and achieves high evaporation efficiency with excellent thermal management ability. The evaporator has demonstrated advanced light-harvesting capability and can produce freshwater that meets drinking water standards, showing great potential for applications in desalination and sewage treatment.
Article
Engineering, Chemical
Yidong Zhang, Wangfang Deng, Meiyan Wu, Chao Liu, Guang Yu, Qiu Cui, Pedram Fatehi, Chunlin Xu, Bin Li
Summary: In this study, a novel polydopamine-functionalized lignin-containing pulp foam evaporator with high-efficiency desalination and multi-contaminant adsorption capabilities was designed. The foam evaporator showed excellent light absorption, water absorption, thermal conductivity, and chelation abilities, allowing for solar evaporation and contaminant adsorption synergistically. It also exhibited potential applications in metal ion concentration and contaminated seawater treatments, and demonstrated superior biodegradability compared to poly-styrene foam. This foam material holds promise for developing multifunctional photo-thermal systems for solar-driven water purification.